According to the observation of wide and artificial Popover nudicaul, flowering rule, major factors influencing flowering, regulation method of flowering time and seed collection method were studied.

• 摘要根据野生和人工种植的野罂粟调研观测，研究了野罂粟开花规律、影响开花的主要因素以及野罂粟的花期调控方法和采种方法。